EP4087254A4 - Inter-frame-vorhersageverfahren, codierer, decodierer und speichermedium - Google Patents

Inter-frame-vorhersageverfahren, codierer, decodierer und speichermedium Download PDF

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Publication number
EP4087254A4
EP4087254A4 EP19958408.7A EP19958408A EP4087254A4 EP 4087254 A4 EP4087254 A4 EP 4087254A4 EP 19958408 A EP19958408 A EP 19958408A EP 4087254 A4 EP4087254 A4 EP 4087254A4
Authority
EP
European Patent Office
Prior art keywords
decoder
encoder
frame
storage media
prediction method
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
EP19958408.7A
Other languages
English (en)
French (fr)
Other versions
EP4087254A1 (de
Inventor
Shuai Wan
Yi XUE
Yanzhuo Ma
Junyan Huo
Fuzheng Yang
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Guangdong Oppo Mobile Telecommunications Corp Ltd
Original Assignee
Guangdong Oppo Mobile Telecommunications Corp Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Guangdong Oppo Mobile Telecommunications Corp Ltd filed Critical Guangdong Oppo Mobile Telecommunications Corp Ltd
Priority to EP23178804.3A priority Critical patent/EP4231642A1/de
Publication of EP4087254A1 publication Critical patent/EP4087254A1/de
Publication of EP4087254A4 publication Critical patent/EP4087254A4/de
Pending legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/50—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding
    • H04N19/503—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding involving temporal prediction
    • H04N19/51—Motion estimation or motion compensation
    • H04N19/513—Processing of motion vectors
    • H04N19/517—Processing of motion vectors by encoding
    • H04N19/52—Processing of motion vectors by encoding by predictive encoding
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/102—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the element, parameter or selection affected or controlled by the adaptive coding
    • H04N19/103—Selection of coding mode or of prediction mode
    • H04N19/105—Selection of the reference unit for prediction within a chosen coding or prediction mode, e.g. adaptive choice of position and number of pixels used for prediction
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/134—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the element, parameter or criterion affecting or controlling the adaptive coding
    • H04N19/136—Incoming video signal characteristics or properties
    • H04N19/137—Motion inside a coding unit, e.g. average field, frame or block difference
    • H04N19/139—Analysis of motion vectors, e.g. their magnitude, direction, variance or reliability
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/169—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding
    • H04N19/17—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding the unit being an image region, e.g. an object
    • H04N19/176—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding the unit being an image region, e.g. an object the region being a block, e.g. a macroblock
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/46—Embedding additional information in the video signal during the compression process
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/50—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding
    • H04N19/503—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding involving temporal prediction
    • H04N19/51—Motion estimation or motion compensation
    • H04N19/577—Motion compensation with bidirectional frame interpolation, i.e. using B-pictures

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
EP19958408.7A 2019-12-30 2019-12-30 Inter-frame-vorhersageverfahren, codierer, decodierer und speichermedium Pending EP4087254A4 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP23178804.3A EP4231642A1 (de) 2019-12-30 2019-12-30 Zwischenbildvorhersageverfahren, codierer, decodierer und speichermedium

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/CN2019/130131 WO2021134306A1 (zh) 2019-12-30 2019-12-30 帧间预测方法、编码器、解码器及存储介质

Related Child Applications (1)

Application Number Title Priority Date Filing Date
EP23178804.3A Division EP4231642A1 (de) 2019-12-30 2019-12-30 Zwischenbildvorhersageverfahren, codierer, decodierer und speichermedium

Publications (2)

Publication Number Publication Date
EP4087254A1 EP4087254A1 (de) 2022-11-09
EP4087254A4 true EP4087254A4 (de) 2023-01-11

Family

ID=76686226

Family Applications (2)

Application Number Title Priority Date Filing Date
EP23178804.3A Pending EP4231642A1 (de) 2019-12-30 2019-12-30 Zwischenbildvorhersageverfahren, codierer, decodierer und speichermedium
EP19958408.7A Pending EP4087254A4 (de) 2019-12-30 2019-12-30 Inter-frame-vorhersageverfahren, codierer, decodierer und speichermedium

Family Applications Before (1)

Application Number Title Priority Date Filing Date
EP23178804.3A Pending EP4231642A1 (de) 2019-12-30 2019-12-30 Zwischenbildvorhersageverfahren, codierer, decodierer und speichermedium

Country Status (4)

Country Link
US (1) US20220337866A1 (de)
EP (2) EP4231642A1 (de)
CN (5) CN121151551A (de)
WO (1) WO2021134306A1 (de)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20220201313A1 (en) * 2020-12-22 2022-06-23 Qualcomm Incorporated Bi-directional optical flow in video coding
WO2025065522A1 (zh) * 2023-09-28 2025-04-03 Oppo广东移动通信有限公司 编解码方法及装置、编解码器、码流、设备、存储介质
WO2025217773A1 (zh) * 2024-04-15 2025-10-23 Oppo广东移动通信有限公司 一种视频编解码方法、编码器、解码器以及存储介质

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CN101415122B (zh) * 2007-10-15 2011-11-16 华为技术有限公司 一种帧间预测编解码方法及装置
US9363512B2 (en) * 2012-03-08 2016-06-07 Blackberry Limited Motion vector sign bit hiding
CN104427345B (zh) * 2013-09-11 2019-01-08 华为技术有限公司 运动矢量的获取方法、获取装置、视频编解码器及其方法
CN103561263B (zh) * 2013-11-06 2016-08-24 北京牡丹电子集团有限责任公司数字电视技术中心 基于运动矢量约束和加权运动矢量的运动补偿预测方法
US10531093B2 (en) * 2015-05-25 2020-01-07 Peking University Shenzhen Graduate School Method and system for video frame interpolation based on optical flow method
WO2017036399A1 (en) * 2015-09-02 2017-03-09 Mediatek Inc. Method and apparatus of motion compensation for video coding based on bi prediction optical flow techniques
MY201069A (en) * 2016-02-05 2024-02-01 Hfi Innovation Inc Method and apparatus of motion compensation based on bi-directional optical flow techniques for video coding
US10931969B2 (en) * 2017-01-04 2021-02-23 Qualcomm Incorporated Motion vector reconstructions for bi-directional optical flow (BIO)
EP3649780B1 (de) * 2017-07-03 2025-06-25 InterDigital VC Holdings, Inc. Bewegungskompensierte vorhersage auf grundlage von bidirektionalem optischem fluss
WO2019093279A1 (ja) * 2017-11-07 2019-05-16 パナソニック インテレクチュアル プロパティ コーポレーション オブ アメリカ 符号化装置、復号装置、符号化方法および復号方法
CN110324623B (zh) * 2018-03-30 2021-09-07 华为技术有限公司 一种双向帧间预测方法及装置
JP2021520710A (ja) * 2018-04-06 2021-08-19 ヴィド スケール インコーポレイテッド 簡易化された勾配導出による双方向オプティカルフロー方法
WO2020061082A1 (en) * 2018-09-21 2020-03-26 Vid Scale, Inc. Complexity reduction and bit-width control for bi-directional optical flow
TW202029755A (zh) * 2018-09-26 2020-08-01 美商Ｖｉｄ衡器股份有限公司 視訊編碼雙預測

Non-Patent Citations (6)

* Cited by examiner, † Cited by third party
Title
ALSHINA (SAMSUNG) E: "The cross-check for BIO improvement to reduce the encoder and decoder complexities in JVET-C0031", 3. JVET MEETING; 26-5-2016 - 1-6-2016; GENEVA; (THE JOINT VIDEO EXPLORATION TEAM OF ISO/IEC JTC1/SC29/WG11 AND ITU-T SG.16 ); URL: HTTP://PHENIX.INT-EVRY.FR/JVET/,, no. JVET-C0052-v2, 23 May 2016 (2016-05-23), XP030150150 *
BROSS B ET AL: "Versatile Video Coding (Draft 7)", no. JVET-P2001 ; m51515, 17 October 2019 (2019-10-17), XP030218455, Retrieved from the Internet <URL:http://phenix.int-evry.fr/jvet/doc_end_user/documents/16_Geneva/wg11/JVET-P2001-v9.zip JVET-P2001-v9.docx> [retrieved on 20191017] *
JAINLE CHEN ET AL: "Algorithm description for Versatile Video Coding and Test Model 7 (VTM 7)", no. JVET-P2002-v1; JVET-P2002 ; m51516, 10 November 2019 (2019-11-10), pages 1 - 90, XP030224331, Retrieved from the Internet <URL:http://phenix.int-evry.fr/jvet/doc_end_user/documents/16_Geneva/wg11/JVET-P2002-v1.zip JVET-P2002-v1.docx> [retrieved on 20191110] *
LEE (LGE) J ET AL: "BIO improvement to reduce the encoder and decoder complexities", no. m38390, 16 May 2016 (2016-05-16), XP030269208, Retrieved from the Internet <URL:http://phenix.int-evry.fr/mpeg/doc_end_user/documents/115_Geneva/wg11/m38390-JVET-C0031-v1-JVET-C0031.zip JVET-C0031.doc> [retrieved on 20160516] *
See also references of WO2021134306A1 *
XIU (INTERDIGITAL) X ET AL: "CE9-related: Complexity reduction and bit-width control for bi-directional optical flow (BIO)", no. JVET-L0256, 5 October 2018 (2018-10-05), XP030194853, Retrieved from the Internet <URL:http://phenix.int-evry.fr/jvet/doc_end_user/documents/12_Macao/wg11/JVET-L0256-v2.zip JVET-L0256.docx> [retrieved on 20181005] *

Also Published As

Publication number Publication date
CN121151552A (zh) 2025-12-16
US20220337866A1 (en) 2022-10-20
CN114365498B (zh) 2025-11-14
WO2021134306A1 (zh) 2021-07-08
CN121262368A (zh) 2026-01-02
EP4231642A1 (de) 2023-08-23
EP4087254A1 (de) 2022-11-09
CN114365498A (zh) 2022-04-15
CN121151551A (zh) 2025-12-16
CN121173953A (zh) 2025-12-19

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